[PATCH] D88172: [clangd] Extract common file-caching logic from ConfigProvider.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added a reviewer: kbobyrev.
Herald added subscribers: cfe-commits, usaxena95, kadircet, jfb, arphaman, mgorny.
Herald added a project: clang.
sammccall requested review of this revision.
Herald added subscribers: MaskRay, ilya-biryukov.

The plan is to use this to use this for .clang-format, .clang-tidy, and
compile_commands.json. (Currently the former two are reparsed every
time, and the latter is cached forever and changes are never seen).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D88172

Files:
  clang-tools-extra/clangd/ConfigProvider.cpp
  clang-tools-extra/clangd/ConfigProvider.h
  clang-tools-extra/clangd/support/CMakeLists.txt
  clang-tools-extra/clangd/support/FileCache.cpp
  clang-tools-extra/clangd/support/FileCache.h
  clang-tools-extra/clangd/unittests/ConfigProviderTests.cpp
  clang-tools-extra/clangd/unittests/support/FileCacheTests.cpp

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